398134701 has 12 divisors (see below), whose sum is σ = 583184160. Its totient is φ = 261684360.

The previous prime is 398134687. The next prime is 398134727. The reversal of 398134701 is 107431893.

It is a happy number.

It is not a de Polignac number, because 398134701 - 2⁶ = 398134637 is a prime.

It is a super-2 number, since 2×398134701² = 317022480280718802, which contains 22 as substring.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398134771) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 310891 + ... + 312168.

It is an arithmetic number, because the mean of its divisors is an integer number (48598680).

Almost surely, 2^398134701 is an apocalyptic number.

It is an amenable number.

398134701 is a deficient number, since it is larger than the sum of its proper divisors (185049459).

398134701 is a wasteful number, since it uses less digits than its factorization.

398134701 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623136 (or 623133 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 398134701 is about 19953.3130331782. The cubic root of 398134701 is about 735.6592114454.

The spelling of 398134701 in words is "three hundred ninety-eight million, one hundred thirty-four thousand, seven hundred one".